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<blockquote data-quote="MODAT7" data-source="post: 242359" data-attributes="member: 13649"><p>I'll add that Erin doesn't have any technological training, and it really shows with the number of errors in her article. [USER=288]@Einstein[/USER] hit the main point above about having a DC regeneration station on every block. This is why Edison lost the current wars. I'll add that the DC converters she keeps mentioning are NOT very efficient like she claims. There are ways to make them more efficient, but it is at the expense of safety.</p><p></p><p>As a simple test, grab a long 100ft extension cord, put 5v DC on one end, and on the other end you'll notice a very significant drop. Put a load on that 5v, and you'll see the voltage drop even more. If the load is high frequency pulsed DC (often used in step down), the parasitic inductance of the extension cord will make that voltage drop even further. Erin need to go back to writing about youtube kittens.</p><p></p><p></p><p>Indeed. If you sneezed hard enough, you'd risk de-atomizing yourself in that scenario.</p></blockquote><p></p>
[QUOTE="MODAT7, post: 242359, member: 13649"] I'll add that Erin doesn't have any technological training, and it really shows with the number of errors in her article. [USER=288]@Einstein[/USER] hit the main point above about having a DC regeneration station on every block. This is why Edison lost the current wars. I'll add that the DC converters she keeps mentioning are NOT very efficient like she claims. There are ways to make them more efficient, but it is at the expense of safety. As a simple test, grab a long 100ft extension cord, put 5v DC on one end, and on the other end you'll notice a very significant drop. Put a load on that 5v, and you'll see the voltage drop even more. If the load is high frequency pulsed DC (often used in step down), the parasitic inductance of the extension cord will make that voltage drop even further. Erin need to go back to writing about youtube kittens. Indeed. If you sneezed hard enough, you'd risk de-atomizing yourself in that scenario. [/QUOTE]
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